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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package com.oracle.svm.webimage.wasm.types;

/**
 * Complete representation of Wasm's {@code valtype}, which contains all types that can be stored on
 * the operand stack.
 * <p>
 * Includes a representation of new complex reference types introduced in the GC and function
 * references proposals.
 */
public non-sealed interface WasmValType extends WasmStorageType {

    boolean isInt();

    boolean isFloat();

    default boolean isNumeric() {
        return isInt() || isFloat();
    }

    boolean isRef();

    default boolean isPrimitive() {
        return this instanceof WasmPrimitiveType;
    }

    /**
     * Downcasts this to {@link WasmPrimitiveType}.
     */
    default WasmPrimitiveType asPrimitive() {
        assert isPrimitive() : getClass();
        return (WasmPrimitiveType) this;
    }
}
